From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-23.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29CDDC433E0 for ; Mon, 1 Mar 2021 16:24:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E573C64F37 for ; Mon, 1 Mar 2021 16:24:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232772AbhCAQYB (ORCPT ); Mon, 1 Mar 2021 11:24:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:56680 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234487AbhCAQVB (ORCPT ); Mon, 1 Mar 2021 11:21:01 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id CECC864EE7; Mon, 1 Mar 2021 16:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614615500; bh=IAuHFua0eGM1kTkwBcAqqLH5AoIBGoVn6iKhLUzUkkE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rWh/lU/BQeJ+eY3uL+Z6tMM9nR5WwXw3TCTnyTQmoX+4gEry7UP30C+Xvxovw4Jm/ UkqC3PKv59FnWCqmGh365kqPUxuzsy8rkZUEncsIHxQ8JPwvCXJZcdRY/K1EOAZC1g Xa/Eomy02XyA/rxb9alZqFo2MjoZ6rRont2GMs3k= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmitry Golovin , Nathan Chancellor , Thomas Bogendoerfer , Sasha Levin Subject: [PATCH 4.4 24/93] MIPS: lantiq: Explicitly compare LTQ_EBU_PCC_ISTAT against 0 Date: Mon, 1 Mar 2021 17:12:36 +0100 Message-Id: <20210301161008.091342206@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161006.881950696@linuxfoundation.org> References: <20210301161006.881950696@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Nathan Chancellor [ Upstream commit c6f2a9e17b9bef7677caddb1626c2402f3e9d2bd ] When building xway_defconfig with clang: arch/mips/lantiq/irq.c:305:48: error: use of logical '&&' with constant operand [-Werror,-Wconstant-logical-operand] if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT) ^ ~~~~~~~~~~~~~~~~~ arch/mips/lantiq/irq.c:305:48: note: use '&' for a bitwise operation if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT) ^~ & arch/mips/lantiq/irq.c:305:48: note: remove constant to silence this warning if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT) ~^~~~~~~~~~~~~~~~~~~~ 1 error generated. Explicitly compare the constant LTQ_EBU_PCC_ISTAT against 0 to fix the warning. Additionally, remove the unnecessary parentheses as this is a simple conditional statement and shorthand '== 0' to '!'. Fixes: 3645da0276ae ("OF: MIPS: lantiq: implement irq_domain support") Link: https://github.com/ClangBuiltLinux/linux/issues/807 Reported-by: Dmitry Golovin Signed-off-by: Nathan Chancellor Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/lantiq/irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index a7057a06c0961..5526b89a21a02 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -245,7 +245,7 @@ static void ltq_hw_irqdispatch(int module) do_IRQ((int)irq + MIPS_CPU_IRQ_CASCADE + (INT_NUM_IM_OFFSET * module)); /* if this is a EBU irq, we need to ack it or get a deadlock */ - if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT) + if (irq == LTQ_ICU_EBU_IRQ && !module && LTQ_EBU_PCC_ISTAT != 0) ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_PCC_ISTAT) | 0x10, LTQ_EBU_PCC_ISTAT); } -- 2.27.0